| Location: | Napa County, California, United States, North America |
| Lat / long: | 38.67044, -122.54024 |
| dep_id: | 10040789 |
| mrds_id: | M055660 |
| Commodity type: | metallic |
| Trace mineral: | Mercury |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Occurrence |
| ore: | Cinnabar |
| conc_proc: | Hydrothermal Solutions |
| Reporter: | Peterson, Jocelyn A. |
| References: |
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